Changeset 388 for python/vendor/current/Lib/bdb.py

Timestamp:

Mar 19, 2014, 11:11:30 AM (11 years ago)

Author:

dmik

Message:

python: Update vendor to 2.7.6.

File:

• python/vendor/current/Lib/bdb.py (modified) (11 diffs)

python/vendor/current/Lib/bdb.py

@@ -1 +1 @@
 """Debugger basics"""
 
+import fnmatch
 import sys
 import os
@@ -20 +21 @@
     """
 
-    def __init__(self):
+    def __init__(self, skip=None):
+        self.skip = set(skip) if skip else None
         self.breaks = {}
         self.fncache = {}
+        self.frame_returning = None
 
     def canonic(self, filename):
@@ -81 +84 @@
     def dispatch_return(self, frame, arg):
         if self.stop_here(frame) or frame == self.returnframe:
-            self.user_return(frame, arg)
+            try:
+                self.frame_returning = frame
+                self.user_return(frame, arg)
+            finally:
+                self.frame_returning = None
             if self.quitting: raise BdbQuit
         return self.trace_dispatch
@@ -95 +102 @@
     # definition of stopping and breakpoints.
 
+    def is_skipped_module(self, module_name):
+        for pattern in self.skip:
+            if fnmatch.fnmatch(module_name, pattern):
+                return True
+        return False
+
     def stop_here(self, frame):
         # (CT) stopframe may now also be None, see dispatch_call.
         # (CT) the former test for None is therefore removed from here.
+        if self.skip and \
+               self.is_skipped_module(frame.f_globals.get('__name__')):
+            return False
         if frame is self.stopframe:
+            if self.stoplineno == -1:
+                return False
             return frame.f_lineno >= self.stoplineno
         while frame is not None and frame is not self.stopframe:
@@ -156 +174 @@
         pass
 
-    def _set_stopinfo(self, stopframe, returnframe, stoplineno=-1):
+    def _set_stopinfo(self, stopframe, returnframe, stoplineno=0):
         self.stopframe = stopframe
         self.returnframe = returnframe
         self.quitting = 0
+        # stoplineno >= 0 means: stop at line >= the stoplineno
+        # stoplineno -1 means: don't stop at all
         self.stoplineno = stoplineno
 
@@ -172 +192 @@
     def set_step(self):
         """Stop after one line of code."""
-        self._set_stopinfo(None,None)
+        # Issue #13183: pdb skips frames after hitting a breakpoint and running
+        # step commands.
+        # Restore the trace function in the caller (that may not have been set
+        # for performance reasons) when returning from the current frame.
+        if self.frame_returning:
+            caller_frame = self.frame_returning.f_back
+            if caller_frame and not caller_frame.f_trace:
+                caller_frame.f_trace = self.trace_dispatch
+        self._set_stopinfo(None, None)
 
     def set_next(self, frame):
@@ -199 +227 @@
     def set_continue(self):
         # Don't stop except at breakpoints or when finished
-        self._set_stopinfo(self.botframe, None)
+        self._set_stopinfo(self.botframe, None, -1)
         if not self.breaks:
             # no breakpoints; run without debugger overhead
@@ -236 +264 @@
         bp = Breakpoint(filename, lineno, temporary, cond, funcname)
 
+    def _prune_breaks(self, filename, lineno):
+        if (filename, lineno) not in Breakpoint.bplist:
+            self.breaks[filename].remove(lineno)
+        if not self.breaks[filename]:
+            del self.breaks[filename]
+
     def clear_break(self, filename, lineno):
         filename = self.canonic(filename)
@@ -247 +281 @@
         for bp in Breakpoint.bplist[filename, lineno][:]:
             bp.deleteMe()
-        if not Breakpoint.bplist.has_key((filename, lineno)):
-            self.breaks[filename].remove(lineno)
-        if not self.breaks[filename]:
-            del self.breaks[filename]
+        self._prune_breaks(filename, lineno)
 
     def clear_bpbynumber(self, arg):
@@ -263 +294 @@
         if not bp:
             return 'Breakpoint (%d) already deleted' % number
-        self.clear_break(bp.file, bp.line)
+        bp.deleteMe()
+        self._prune_breaks(bp.file, bp.line)
 
     def clear_all_file_breaks(self, filename):
@@ -454 +486 @@
         # Build the two lists
         self.bpbynumber.append(self)
-        if self.bplist.has_key((file, line)):
+        if (file, line) in self.bplist:
             self.bplist[file, line].append(self)
         else: